1253863262592 has 128 divisors (see below), whose sum is σ = 3752760499200. Its totient is φ = 412067658240.

The previous prime is 1253863262591. The next prime is 1253863262593. The reversal of 1253863262592 is 2952623683521.

It is a happy number.

1253863262592 is a `hidden beast` number, since 1 + 2 + 5 + 3 + 8 + 6 + 3 + 2 + 625 + 9 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (1253863262591) and next prime (1253863262593).

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1253863262591) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2309608 + ... + 2800359.

It is an arithmetic number, because the mean of its divisors is an integer number (29318441400).

Almost surely, 2^{1253863262592} is an apocalyptic number.

1253863262592 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1253863262592 is an abundant number, since it is smaller than the sum of its proper divisors (2498897236608).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1253863262592 is an equidigital number, since it uses as much as digits as its factorization.

1253863262592 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5110061 (or 5110043 counting only the distinct ones).

The product of its digits is 9331200, while the sum is 54.

The spelling of 1253863262592 in words is "one trillion, two hundred fifty-three billion, eight hundred sixty-three million, two hundred sixty-two thousand, five hundred ninety-two".